Hopke, W. E. (1972). encyclopedia of carrers and vocational guidance. J.G.Ferguson.
Chicago Edition CitationHopke, William E. Encyclopedia of Carrers and Vocational Guidance. Chicago: J.G.Ferguson, 1972.
MLA Edition CitationHopke, William E. Encyclopedia of Carrers and Vocational Guidance. J.G.Ferguson, 1972.
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